The Dow Jones Industrial Average rebounded from a 0.40% loss earlier in the day to close 0.21% higher, while the S&P 500 (SPX) gained 0.32%, and the Nasdaq 100 (NDX) jumped 0.87% ... which was another stimulus for higher stock prices.

The early gain in Qorvo shares comes in the face of a 0.7% premarket drop in the VanEck Vectors Semiconductor ETF SMH, +0.72% and a 0.8% decline in the PowerShares QQQ ETF QQQ, -0.13% which tracks the technology-heavy …

US stock markets pulled back a bit during the week, as we ran into a significant amount of resistance. However, there is major support below, so it will be interesting to see what happens over the next couple of weeks. We have a couple of …

Word that Warren Buffett took a large position in Apple (AAPL) encouraged investors and increased their appetite for the stock. AAPL went on to new all ... and the Nasdaq 100 (NDX) was up 1.9%. Breadth was decidedly positive, 3 to 1, on …

Some of these corporations had been added only recently, and it is even possible for companies to bounce in and out of the NDX as their stock price alternately soars and sinks. For example, Synopsys and Symantec both rejoined the …

But one type of stock-market leverage is measured ... margin debt dropped by $20.7 billion to $645.1 billion.” NDX futures soared 87 points right after the close yesterday on Amazon earnings and appear to be maintaining its elevation above …